Oracle 视图 ALL_CUBE_DIMENSIONS 官方解释,作用,如何使用详细说明

本站中文解释

ALL_CUBE_DIMENSIONS视图是Oracle OLAP的系统视图,是指存在某个时点上OLAP数据库中被维度所涵盖的所有维度。视图包含下面几个字段:CUBE_NAME:指对应的多维数据块的名称;DIMENSION_UNIQUE_NAME:指维度的惟一名称;DIMENSION_NAME:指维度的名称;IS_SHARED:指是否是被多个数据块共享的维度;DIMENSION_TYPE:指维度的类型。

使用方法:
根据提供的维度信息,可以使用以下查询来检索ALL_CUBE_DIMENSIONS视图,以查看特定Cube中的所有维度:

SELECT * FROM ALL_CUBE_DIMENSIONS
WHERE CUBE_NAME = ‘PartSales’
ORDER BY DIMENSION_NAME;

官方英文解释

ALL_CUBE_DIMENSIONS describes the OLAP cube dimensions accessible to the current user.

Related Views

  • DBA_CUBE_DIMENSIONS describes all OLAP cube dimensions in the database.

  • USER_CUBE_DIMENSIONS describes the OLAP cube dimensions owned by the current user. This view does not display the OWNER column.

Column Datatype NULL Description

OWNER

VARCHAR2(128)

NOT NULL

Owner of the cube dimension

DIMENSION_NAME

VARCHAR2(128)

NOT NULL

Name of a cube dimension, such as TIME

DIMENSION_ID

NUMBER

NOT NULL

ID of the cube dimension

DIMENSION_TYPE

VARCHAR2(17)

Type of the OLAP cube dimension:

  • STANDARD

  • TIME

AW_NAME

VARCHAR2(128)

Name of the analytic workspace that contains the cube dimension, such as GLOBAL

DEFAULT_HIERARCHY_NAME

VARCHAR2(128)

Name of the default hierarchy for the cube dimension, such as FISCAL

DESCRIPTION

NVARCHAR2(300)

Description of the cube dimension in the session language

HIERARCHY_CONSISTENCY_RULE

VARCHAR2(200)

Hierarchy consistency rule of the OLAP cube dimension. Possible values:

  • CONSISTENT

  • STAR_CONSISTENT

  • SOLVE_CONSISTENT

ADD_UNIQUE_KEY_PREFIX

VARCHAR2(3)

Add_Unique_Key_Prefix flag of the OLAP cube dimension. Possible values:

  • YES: This is the value if AddUniqueKeyPrefix="True" was set in the metadata.

    This tells the system to add the level name prefix to the dimension members. This should be done when a dimension member can have the same value across different levels, for example, New York (state) and New York (city).

  • NO: This is the value if AddUniqueKeyPrefix="True" was not set in the metadata.

CUSTOM_ORDER

CLOB

The textual representation of the sort orderby clause used to load dimension members into the AW

See Also:

  • “DBA_CUBE_DIMENSIONS”

  • “USER_CUBE_DIMENSIONS”


数据运维技术 » Oracle 视图 ALL_CUBE_DIMENSIONS 官方解释,作用,如何使用详细说明